FR2228662B1 - - Google Patents
Info
- Publication number
- FR2228662B1 FR2228662B1 FR7316475A FR7316475A FR2228662B1 FR 2228662 B1 FR2228662 B1 FR 2228662B1 FR 7316475 A FR7316475 A FR 7316475A FR 7316475 A FR7316475 A FR 7316475A FR 2228662 B1 FR2228662 B1 FR 2228662B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/005—Vibration damping devices using suspended masses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7316475A FR2228662B1 (ru) | 1973-05-08 | 1973-05-08 | |
| GB1791474A GB1471956A (en) | 1973-05-08 | 1974-04-24 | Rotorcraft and a suspension device for the main rotor thereof |
| DE2420041A DE2420041C2 (de) | 1973-05-08 | 1974-04-25 | Aufhängevorrichtung für den Rotor eines Drehflügelflugzeuges |
| US464032A US3920202A (en) | 1973-05-08 | 1974-04-25 | Suspension system for rotocraft rotors |
| IT22227/74A IT1010365B (it) | 1973-05-08 | 1974-05-02 | Dispositivo di sospensione di rotore di giroplano |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7316475A FR2228662B1 (ru) | 1973-05-08 | 1973-05-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2228662A1 FR2228662A1 (ru) | 1974-12-06 |
| FR2228662B1 true FR2228662B1 (ru) | 1976-11-12 |
Family
ID=9118953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7316475A Expired FR2228662B1 (ru) | 1973-05-08 | 1973-05-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3920202A (ru) |
| DE (1) | DE2420041C2 (ru) |
| FR (1) | FR2228662B1 (ru) |
| GB (1) | GB1471956A (ru) |
| IT (1) | IT1010365B (ru) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4109885A (en) * | 1976-10-21 | 1978-08-29 | Pender David R | Vertical take-off and landing aircraft |
| US4111386A (en) * | 1976-12-09 | 1978-09-05 | United Technologies Corporation | Helicopter rotor and transmission mounting and vibration isolation system |
| FR2441902A2 (fr) * | 1978-11-15 | 1980-06-13 | Aerospatiale | Dispositif de suspension multidirectionnelle pour giravion |
| FR2420825A1 (fr) * | 1978-03-20 | 1979-10-19 | Aerospatiale | Dispositif de suspension multidirectionnelle pour giravion |
| GB2018942B (en) * | 1978-03-20 | 1982-06-03 | Aerospatiale | Multi-directional suspension means |
| DE3014593C2 (de) * | 1980-04-16 | 1982-06-16 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Dämpfungsarmes Lager |
| FR2499505A1 (fr) * | 1981-02-09 | 1982-08-13 | Aerospatiale | Dispositif simplifie de suspension antiresonnante pour helicoptere |
| FR2629545B1 (fr) * | 1988-03-30 | 1993-02-19 | Aerospatiale | Contre-fiche elastique a resonateur hydro-mecanique integre notamment pour la suspension d'une boite de transmission sur un giravion et dispositif de suspension en comportant application |
| FR2728538A1 (fr) * | 1994-12-23 | 1996-06-28 | Eurocopter France | Dispositif de suspension anti-vibratoire de rotor d'helicoptere |
| PL2179922T3 (pl) * | 2008-10-21 | 2012-08-31 | Agustawestland Spa | Helikopter |
| US9033301B1 (en) * | 2011-04-26 | 2015-05-19 | The Boeing Company | Vibration reduction system using an extended washer |
| EP2962935B1 (en) | 2014-07-04 | 2016-09-21 | AGUSTAWESTLAND S.p.A. | Helicopter with noise and vibration damping transmission mounting |
| EP3150490B1 (en) | 2015-09-29 | 2019-11-06 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | A mounting arrangement for mounting a gear box of a rotorcraft to a fuselage of a rotorcraft |
| US11084575B2 (en) * | 2016-03-14 | 2021-08-10 | Textron Innovations Inc. | Rotor hub vibration attenuator |
| CN113086237B (zh) * | 2021-04-20 | 2023-03-14 | 中国直升机设计研究所 | 一种共轴旋翼直升机主减速器连接撑杆设计方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1493066A (en) * | 1922-04-18 | 1924-05-06 | Frank W Caldwell | Aircraft propeller |
| US2333166A (en) * | 1940-07-31 | 1943-11-02 | Kenneth G Fraser | Propeller hub |
| US2363469A (en) * | 1942-09-01 | 1944-11-21 | Metalastik Ltd | Flexible coupling, flexible mounting, and the like |
| US2615657A (en) * | 1946-08-28 | 1952-10-28 | Bell Aircraft Corp | Helicopter engine-rotor support |
| NL122343C (ru) * | 1959-09-11 | 1900-01-01 | ||
| US3073557A (en) * | 1961-10-10 | 1963-01-15 | Robinson Technical Products In | Shock and vibration isolating mountings for aircraft engines and the like |
| US3399103A (en) * | 1964-05-08 | 1968-08-27 | Monsanto Res Corp | Vibration damping composition and laminated construction |
| FR1507306A (fr) * | 1966-11-17 | 1967-12-29 | Sud Aviation | Dispositif de liaison filtrant les vibrations entre un organe vibrant et un support,notamment un rotor et une structure d'hélicoptère |
| CH453002A (de) * | 1967-06-20 | 1968-05-31 | Tech Fortschritt Mbh Ges | Als Ring ausgebildete Druckfeder aus gummielastischem Material |
| GB1380710A (en) * | 1970-12-29 | 1975-01-15 | Kawasaki Heavy Ind Ltd | Rotary wing aircraft |
-
1973
- 1973-05-08 FR FR7316475A patent/FR2228662B1/fr not_active Expired
-
1974
- 1974-04-24 GB GB1791474A patent/GB1471956A/en not_active Expired
- 1974-04-25 DE DE2420041A patent/DE2420041C2/de not_active Expired
- 1974-04-25 US US464032A patent/US3920202A/en not_active Expired - Lifetime
- 1974-05-02 IT IT22227/74A patent/IT1010365B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2228662A1 (ru) | 1974-12-06 |
| US3920202A (en) | 1975-11-18 |
| DE2420041C2 (de) | 1982-08-19 |
| DE2420041A1 (de) | 1974-11-21 |
| GB1471956A (en) | 1977-04-27 |
| IT1010365B (it) | 1977-01-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |